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    <title>Document</title>
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    <!--  table>tr*2>td*3{测试}  -->
    <p>合并单元格</p>
    <p>colspan水平合并删除左保留右 rowspan垂直合并删除上保留右</p>
    <table border="1" width="200px" height="30px">
        <tr>
            <td>单元格1</td>
            <td>单元格2</td>
            <td>单元格3</td>
            <td>单元格1</td>
            <td>单元格2</td>
            <td>单元格3</td>
        </tr>
        <tr>
            <td>单元格1</td>
            <td>单元格2</td>
            <td>单元格3</td>
            <td rowspan="3">单元格1</td>
            <td>单元格1</td>
            <td>单元格2</td>
        </tr>
        <tr>
            <td colspan="2" rowspan="2">单元格1</td>
            <td>单元格3</td>
            <td>单元格2</td>
            <td>单元格3</td>
        </tr>
        <tr>
            <td>单元格2</td>
            <td colspan="3">单元格3</td>
        </tr>
    </table>

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